320 entries under adjective topic. ×

7
damaging(bad, evil, cruel, unkind)
7
deathlike(boring, tedious, live, gaunt)
7
fearful(awful, terrible, strange, horrible)
7
frightful(awful, terrible, horrible, afraid)
7
gruesome(awful, terrible, horrible, afraid)
7
parlous(awful, terrible, strange, horrible)
7
woeful(awful, terrible, strange, horrible)
6
hurtful(bad, evil, cruel, unkind)
6
terminal
6
dead(quiet, dry, boring, tedious)
6
dire(awful, terrible, horrible, painful)
6
grisly(awful, terrible, horrible, afraid)
6
internecine(harmful, killing, injurious, damaging)
6
morbid(nasty, awful, terrible, gloomy)
6
nasty(awful, terrible, horrible, afraid)
6
sanguinary
6
tiresome(dull, dry, boring, tedious)
5
bad(awful, terrible, horrible, afraid)
5
boring(dull, dry, tedious, dreary)
5
dull(dry, boring, tedious, dreary)
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APASmart Define. (2016). deadly thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/deadly/thesaurus/synonyms
ChicagoSmart Define. 2016. "deadly thesaurus" https://smartdefine.org/deadly/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, deadly thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/deadly/thesaurus/synonyms>.
MLASmart Define. "deadly thesaurus" 26 March 2016. Web. 23 September 2026. <https://smartdefine.org/deadly/thesaurus/synonyms>